Shenzhen way Vodafone Technology Co., Ltd. Contact: Miss Lu Tel: 136 + 895 + 238 + 42 QQ: 275 + 575 + 639 + 7 URL: WWW.TOWORLD-TECH.COM Address: Shenzhen Bao'an District street South Loop 162 No. tachograph 1, motion detection is motion detection by camera capture images generated in a different frame rate and according to certain algorithms to calculate and compare, motion detection function is the screen moving it to start recording the screen does not move, then it Stop recording, this function is generally used to protect us when parking his car being scratched others, even if they are scratched, they would have evidence to prove himself. 2, H.264 compression format, there is no good compression means more than occupy more storage capacity, while demand higher speed memory card, or easily dropped frames, affecting memory card tachograph compatibility; 1080P resolution H.264 video compression of one minute fragment size is about 66MB. For the owners, a reasonable choice recording interval and capacity contribute to timely evidence when the accident occurred, in general, choose two minutes as the interval is appropriate. Reviews tachograph what use tachograph tachograph ten top ten brands ranked tachograph tachograph installed What makes a good tachograph charts tachograph which makes good price tachograph tachograph outdoor driving record instrument